Number Base Converter
Convert numbers between binary, octal, decimal, hexadecimal, and custom bases
Binary
Base 2Only digits 0-1
Octal
Base 8Only digits 0-7
Decimal
Base 10Only digits 0-9
Hexadecimal
Base 16Digits 0-9, A-F
Custom Base
Base range: 2-36
Number Systems Reference
Binary (Base 2):
Uses digits 0-1. Commonly used in computing and digital electronics.
Example: 1010 = 10 (decimal)Octal (Base 8):
Uses digits 0-7. Often used in Unix file permissions.
Example: 12 = 10 (decimal)Decimal (Base 10):
Uses digits 0-9. The standard number system we use daily.
Example: 10 = 10 (decimal)Hexadecimal (Base 16):
Uses digits 0-9 and letters A-F. Common in programming and color codes.
Example: A = 10 (decimal)